What is the soil temperature in ZIP code 83274 today?

About 45°F on average in the top 4 inches (0–10 cm), low 41°F and high 50°F, from NOAA's GFS model run of Nov 11, 12:00 UTC (7 am Eastern). It is a model value for a grid cell 13.6 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 83274?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 21 and 55°F from Jun 15.

ZIP 83274 · Idaho Falls, ID · Nov 11, 2026

Soil temperature for ZIP code 83274

45°Faverage today, 0–4 in deep (modelled)
low 41°F · high 50°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 13.6 km from the ZIP centre point

On a week ago

3° warmer

42°F on Nov 4

5-day mean

43°F

what the verdicts use

Held 55°F last spring

Jun 15

crabgrass germination temperature

What the soil says today

Pre-emergentSeason over
Cool-season seedToo late in the season
Warm-season seedToo cold
TomatoesToo cold
Peas and lettuceWarm enough

From the 5-day mean of the modelled 0–4 in layer.

Soil temperature, 0–4 in: last 7 days and next 7

°F, modelled. Dots and line: daily average (dashed = forecast); bars: low to high; green band: 50–55°F.

View as table

Day	Average	Low	High
Nov 4	41.9°F	39.5°F	46.0°F	analysis
Nov 5	40.4°F	37.3°F	44.3°F	analysis
Nov 6	39.8°F	36.6°F	44.5°F	analysis
Nov 7	40.7°F	36.4°F	47.1°F	analysis
Nov 8	42.8°F	39.1°F	48.4°F	analysis
Nov 9	44.3°F	40.9°F	49.0°F	analysis
Nov 10	44.2°F	41.3°F	48.4°F	analysis
Today	44.6°F	40.7°F	50.4°F	analysis
Nov 12	44.8°F	40.9°F	50.3°F	forecast
Nov 13	45.0°F	42.0°F	48.8°F	forecast
Nov 14	43.6°F	42.8°F	44.9°F	forecast
Nov 15	38.6°F	35.5°F	42.9°F	forecast
Nov 16	40.1°F	37.2°F	44.9°F	forecast
Nov 17	41.4°F	37.7°F	46.6°F	forecast

Source: NOAA NCEP GFS 0.25°, 0–10 cm soil temperature, run Nov 11, 12:00 UTC (7 am Eastern).

Spring 2026 threshold dates

From the 5-day mean held for 10 days or more.

Soil	What it means	Held from (spring 2026)
40°F	Peas and lettuce	Mar 16
50°F	Pre-emergent window opens	Mar 21
55°F	Crabgrass can germinate	Jun 15
60°F	Tomatoes	Jun 18
65°F	Warm-season grass seed	not reached

Idaho Falls, ID, 14 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

83218 46°F · 83404 45°F · 83406 45°F · 83402 45°F · 83236 41°F · 83427 41°F · 83401 45°F · 83454 45°F

More: crabgrass timing in Idaho · every Idaho city · how accurate the model is.

Questions

What is the soil temperature in ZIP code 83274 today?: About 45°F on average in the top 4 inches (0–10 cm), low 41°F and high 50°F, from NOAA's GFS model run of Nov 11, 12:00 UTC (7 am Eastern). It is a model value for a grid cell 13.6 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 83274?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 21 and 55°F from Jun 15.

Data: Global Forecast System (GFS) 0.25°, soil temperature 0–10 cm (TSOIL) (NOAA National Centers for Environmental Prediction (NCEP)); 2025 Gazetteer ZIP Code Tabulation Areas (ZCTA) and 2024 cartographic boundary state outlines (U.S. Census Bureau).